MW
Martha Walker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tuscaloosa-County, Alabama
Our Model Tree links this Martha Walker across the 1930 and 1940 US Censuses in Tuscaloosa-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tuscaloosa-County, Alabama |
| Surname | Walker |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Tuscaloosa City |
| 1935 Residence (County) | Tuscaloosa |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Tuscaloosa City |
| Est. Birth Year | ~1927 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Juanita Walker | Daughter | — | 10 | ~1930 |
| Eliza Walker | Daughter | — | 15 | ~1925 |
| Willie Walker | Daughter | — | 9 | ~1931 |
| Mary Walker | Daughter | — | 13 | ~1927 |
| Martha Walker | Daughter | — | 13 | ~1927 |
| Nancy Walker | Head | — | 34 | ~1906 |
| John Lee | Son | — | 12 | ~1928 |
| Charlie Walker | Son | — | 17 | ~1923 |
| Freddie Walker | Son | — | 19 | ~1921 |
| James Lee | Son | — | 6 | ~1934 |
Census Appearances
1930
Tuscaloosa, Alabama
Daughter, age 4
Tuscaloosa, Alabama · implied b. ~1926 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Tuscaloosa-County, Alabama
Daughter, age 13
Tuscaloosa-County, Alabama · implied b. ~1927 — 10 household members
| Surname | Walker |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Tuscaloosa City |
| 1935 Residence (County) | Tuscaloosa |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Martha Walker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Walker
Daughter · 1940 · age 13 · b. ~1927 · Alabama
★ You are viewing this record
Sibling
Juanita Walker
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlie Walker
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eliza Walker
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Lee
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Walker
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lee
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freddie Walker
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Walker
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Tuscaloosa-County, Alabama
Open full size
1940 US Federal Census — Tuscaloosa-County, Alabama
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00085-00325)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Martha Cannon | 49 | Head | — | Alabama |
| 42 | Alonia Cannon | 23 | Daughter | Cook | Alabama |
| 43 | M. D. Cannon | 18 | Son | Janitor | Alabama |
| 44 | Aubrey Cannon | 16 | Son | Janitor | Alabama |
| 45 | Samuel Cannon | 15 | Son | — | Alabama |
| 46 | Annie Pearl Cannon | 7 | Daughter | — | Alabama |
| 47 | George Jr. Cannon | 2 | Son | — | Alabama |
| 48 | Mary Prince | 40 | Head | — | Alabama |
| 49 | John Prince | 42 | Brother | — | Alabama |
| 50 | Willie Mae Vance | 18 | Granddaughter | — | Alabama |
| 51 | Juanita Jones | 20 | Roomer | — | Alabama |
| 52 | Louella Knox | 50 | Head | Washer | Alabama |
| 53 | Martha Collins | 50 | Sister | Cook | Alabama |
| 54 | Bill Bell | 52 | Head | Laborer | Alabama |
| 55 | Betty Hardy | 37 | Head | — | Alabama |
| 56 | Eula Miles | 32 | Head | Cook | Alabama |
| 57 | Rufus May | 20 | Head | Cook | Alabama |
| 58 | Cora Bee May | 18 | Wife | House Keeper | Alabama |
| 59 | Ed Mack | 35 | Head | Laborer | Alabama |
| 60 | Cora Mack | 30 | Wife | — | Alabama |
| 61 | Lucile Mack | 12 | Niece | — | Alabama |
| 62 | Nancy Walker | 34 | Head | Maid | Alabama |
| 63 | Freddie Walker | 19 | Son | Maid | Alabama |
| 64 | Charlie Walker | 17 | Son | Ditch Digger | Alabama |
| 65 | Eliza Walker | 15 | Daughter | Truck Driver | Alabama |
| 66 | Mary Walker | 13 | Daughter | Maid | Alabama |
| 67 | Martha Walker THIS PERSON | 13 | Daughter | — | Alabama |
| 68 | Juanita Walker | 10 | Daughter | — | Alabama |
| 69 | Willie Mae Walker | 9 | Daughter | — | Alabama |
| 70 | James Arthur Lee | 6 | Son | — | Alabama |
| 71 | John Lee | 12 | Son | — | Alabama |
| 72 | Corrine Bates | 40 | Head | — | Alabama |
| 73 | Lonnie Ray | 25 | Head | Truck Driver | Alabama |
| 74 | Velma Ray | 35 | Wife | — | Alabama |
| 75 | L. P. Jr. Edmonson | 16 | Step-son | — | Alabama |
| 76 | Elizabeth Edmonson | 10 | Step-daughter | — | Alabama |
| 77 | L. W. Christian | 68 | Father-in-law | — | Alabama |
| 78 | Lige Faulkner | 69 | Head | — | Alabama |
| 79 | Dovie Faulkner | 57 | Wife | — | Mississippi |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)